Matthew Pettis, MD
NPI 1952988347 · Internal Medicine Physician · Saint Louis, MO
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Matthew Pettis, MD is a Internal Medicine Physician provider in Saint Louis, MO (NPI 1952988347).
Provider details
- NPI number
- 1952988347
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 2024024624 (MO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
5 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
141 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 107 | $76 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 34 | $110 |
Typical Medicare-allowed amounts for these services range $76–$110 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Amlodipine Besylate | 26 |
| Atorvastatin Calcium | 20 |
| Tamsulosin Hcl | 18 |
| Gabapentin | 15 |
| Apixabanbrand: Eliquis | 12 |
| Metformin Hcl | 12 |
| Bupropion Hclbrand: Bupropion Xl | 11 |
| Hydrochlorothiazide | 11 |
| Empagliflozin |
Practice location
Mailing address
Registry dates
- Enumerated
- 2021-03-24
- Last updated
- 2024-09-04
- Certified
- 2024-09-04
Frequently asked questions
- What is Matthew Pettis's NPI number?
- Matthew Pettis's National Provider Identifier (NPI) is 1952988347, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Matthew Pettis's specialty?
- Matthew Pettis is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Matthew Pettis located?
- Matthew Pettis's practice location on file with NPPES is 615 S New Ballas Rd, Saint Louis, MO 63141-8221.
- What is Matthew Pettis's phone number?
- The practice phone number listed in the NPPES registry for Matthew Pettis is (314) 251-6339.
- Does Matthew Pettis accept Medicare?
- Matthew Pettis is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Matthew Pettis's NPI active?
- Yes — Matthew Pettis's NPI (1952988347) is active in the NPPES registry as of the last update on 2024-09-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.